<?php
/*
 * CKFinder
 * ========
 * http://ckfinder.com
 * Copyright (C) 2007-2011, CKSource - Frederico Knabben. All rights reserved.
 *
 * The software, this file and its contents are subject to the CKFinder
 * License. Please read the license.txt file before using, installing, copying,
 * modifying or distribute this file or part of its contents. The contents of
 * this file is part of the Source Code of CKFinder.
 */
if (!defined('IN_CKFINDER')) exit;

/**
 * @package CKFinder
 * @subpackage CommandHandlers
 * @copyright CKSource - Frederico Knabben
 */

/**
 * Include base command handler
 */
require_once CKFINDER_CONNECTOR_LIB_DIR . "/CommandHandler/CommandHandlerBase.php";
/**
 * Include xml utils
 */
require_once CKFINDER_CONNECTOR_LIB_DIR . "/Core/Xml.php";

/**
 * Base XML commands handler
 *
 * @package CKFinder
 * @subpackage CommandHandlers
 * @copyright CKSource - Frederico Knabben
 * @abstract
 *
 */
class CKFinder_Connector_CommandHandler_XmlCommandHandlerBase extends CKFinder_Connector_CommandHandler_CommandHandlerBase
{
	/**
	 * Connector node - Ckfinder_Connector_Utils_XmlNode object
	 *
	 * @var Ckfinder_Connector_Utils_XmlNode
	 * @access protected
	 */
	var $_connectorNode;

	/**
	 * send response
	 * @access public
	 *
	 */
	function sendResponse()
	{
		$xml =& CKFinder_Connector_Core_Factory::getInstance("Core_Xml");
		$this->_connectorNode =& $xml->getConnectorNode();

		$this->checkConnector();
		if ($this->mustCheckRequest()) {
			$this->checkRequest();
		}

		$resourceTypeName = $this->_currentFolder->getResourceTypeName();
		if (!empty($resourceTypeName)) {
			$this->_connectorNode->addAttribute("resourceType", $this->_currentFolder->getResourceTypeName());
		}

		if ($this->mustAddCurrentFolderNode()) {
			$_currentFolder = new Ckfinder_Connector_Utils_XmlNode("CurrentFolder");
			$this->_connectorNode->addChild($_currentFolder);
			$_currentFolder->addAttribute("path", CKFinder_Connector_Utils_FileSystem::convertToConnectorEncoding($this->_currentFolder->getClientPath()));

			$this->_errorHandler->setCatchAllErros(true);
			$_url = $this->_currentFolder->getUrl();
			$_currentFolder->addAttribute("url", is_null($_url) ? "" : CKFinder_Connector_Utils_FileSystem::convertToConnectorEncoding($_url));
			$this->_errorHandler->setCatchAllErros(false);

			$_currentFolder->addAttribute("acl", $this->_currentFolder->getAclMask());
		}

		$this->buildXml();

		$_oErrorNode =& $xml->getErrorNode();
		$_oErrorNode->addAttribute("number", "0");

		echo $this->_connectorNode->asXML();
		exit;
	}

	/**
	 * Must check request?
	 *
	 * @return boolean
	 * @access protected
	 */
	function mustCheckRequest()
	{
		return true;
	}

	/**
	 * Must add CurrentFolder node?
	 *
	 * @return boolean
	 * @access protected
	 */
	function mustAddCurrentFolderNode()
	{
		return true;
	}

	/**
	 * @access protected
	 * @abstract
	 * @return void
	 */
	function buildXml()
	{

	}
}
